Define streaming?
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Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?
Define tasktracker.
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
What is the difference between hadoop and other data processing tools?
Explain the use of tasktracker in the hadoop cluster?
Which one is default InputFormat in Hadoop ?
Why are the number of splits equal to the number of maps?
Is it necessary to know java to learn hadoop?
What is the Use of SSH in Hadoop ?
Who invented hadoop?
Can the balancer be run while Hadoop is in use?
when hadoop enter in safe mode?
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